Mainframe Computer (Primary 5)

Last Updated on July 19, 2020 by Alabi M. S.

 

COMPUTER STUDIES

BASIC SCIENCE AND TECHNOLOGY

SECOND TERM 

WEEK 9

PRIMARY 5

THEME – BASIC COMPUTER OPERATION

PREVIOUS LESSON – SUPERCOMPUTER 

TOPIC: MAINFRAME COMPUTER 

 

PERFORMANCE OBJECTIVES

By the end of the lesson, the pupils should have attained the following objectives (cognitive, affective and psychomotor) and should be able to –

describe the size, speed and uses of mainframe computer.

 

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of –

chart shows mainframe computer.

 

 

METHOD OF TEACHING – Choose a suitable and appropriate methods for the lessons.

Note – Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupil’s interest or lead them to the lessons. 

 

REFERENCE MATERIALS

Scheme of Work

9 – Years Basic Education Curriculum

Course Book

All Relevant Material

Online Information

 

CONTENT OF THE LESSON 

INTRODUCTION – MAINFRAME COMPUTER 

Mainframe computers are second largest and powerful computer by size.

SIZE OF MAINFRAME COMPUTER

A mainframe computer’s size depends primarily on its age. The modern mainframe is considerably smaller – often approximately the size of a large refrigerator.

 

 

SPEED OF MAINFRAME COMPUTER 

The speed of large computers can be 70-100 mips of more.

 

USES OF MAINFRAME COMPUTER

Mainframe computers are large-scale computer systems. They are designed to process and store very large amounts of information (data) that smaller systems such as PCs cannot handle.

It can support hundreds and often thousands of users and computer professionals.

They are used by government agencies such as the Internal Revenue Service, Electoral Commission and Census commission, vote computations, individual tax records, payroll, etc.

Small and large retail companies use mainframes to register sales, update stock and manage inventory levels.

 

PRESENTATION

To deliver the lesson, the teacher adopts the following steps:

1. To introduce the lesson, the teacher revises the previous lesson. Based on this, he/she asks the pupils some questions;

2. Discusses the size, speed and uses of mainframe computer.

Pupil’s Activities – Identify the size, speed and uses of mainframe computer.

 

 

CONCLUSION

  • To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.

 

LESSON EVALUATION

Mainframe computer is second computer systems by size.

Discuss the –

1. Size

2. Speed

3. Uses

 

 

 

 

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